Aptaisia or something else?

[the_chef_pierre]

My tank looks to be in its ugly phase and now I'm noticing there white things popping up in 3 or 4 different spots on my rocks? I'd this the start of aptaisia or is this something else?

 

[tupes]

Looks like a pineapple sponge.

 

[monti mike]

Looks like a pineapple sponge. Totally safe filter feeder/hitchhiker.

 

[James M]

Pineapple sponge.... Harmless filter feeder

 

[the_chef_pierre]

It's strange I never had these before and now they're popping up everywhere
So i should leave them?

 

[James M]

It's strange I never had these before and now they're popping up everywhere
So i should leave them?

Yes. They go away on there own